const cookieParser = require('cookie-parser');
const cors = require("cors");
const fs = require("fs");
const globalPath = require("path");
const express = require("express");
const axios = require("axios");
// const SERVER_PORT = process.env.port || process.env.PORT || 53000;
const SERVER_PORT = process.env.port || process.env.PORT || 53000;
// const authProvider = require('./auth/AuthProvider');
const {getFetch, updateFetch} = require('./fetch');
const bodyParser = require('body-parser');
const https = require('https');
const JSZIP = require('jszip');
require('dotenv').config({ path: './env/.env.local' });
const session = require('express-session');
const multer  = require('multer');
const XLSX = require('xlsx');
const pptxgen = require('pptxgenjs');
const msal = require('@azure/msal-node');
const FormData = require("form-data");
const {pool, sql} = require('./config/sql.js');
const { v4: uuidv4 } = require('uuid');
const {init} = require('./ext.js');
let POSSIBLE_EXT;

const apiUrl = 'http://192.168.20.99:5050';

const createErrors = require('http-errors');

const gateWayKey = process.env.GATE_WAY_KEY;


const msalConfig = {
  auth: {
      clientId: process.env.TEAMS_APP_ID,
      authority: "https://login.microsoftonline.com/"+process.env.TEAMS_APP_TENANT_ID,
      clientSecret: process.env.TEAMS_APP_SECRET,
      knownAuthorities: [],
  },
  cache: { 
      // your implementation of caching
  },
  system: {
      loggerOptions: { /** logging related options */ }
  }
} 

const cca = new msal.ConfidentialClientApplication(msalConfig);

const {Document, Packer, Paragraph, TextRun} = require('docx');
const messages = require('dote/src/messages.js');
const { rejects } = require('assert');
let WebSocketServer = require('websocket').server;
// const redirectUri = 'https://localhost:53000/redirect';
const redirectUri = 'https://localhost:53000/redirect';

const storage =  multer.diskStorage({
  destination: function (req, file, cb) { 
    cb(null, 'uploads/')  
  },
  filename: function (req, file, cb) {
    cb(null, file.originalname)              // 원래 파일이름으로 저장
  }
})
const upload = multer(storage);

const serverApp = express();
const endPoint = process.env.GRAPH_API_ENDPOINT + 'v1.0';

serverApp.use(session({
  secret: process.env.EXPRESS_SESSION_SECRET,
  resave: false,
  saveUninitialized: true,
  cookie: {
      httpOnly: true,
      secure: true, // set this to true on production
      sameSite: 'none',
      maxAge: 60 * 60 * 24 * 1000
  }
}));

serverApp.set(express.json());
serverApp.use(cookieParser());
serverApp.use(express.urlencoded({ extended: false }));
serverApp.use("/static", express.static(globalPath.join(__dirname, 'static')));

const options = {
  key: process.env.SSL_KEY_FILE ? fs.readFileSync(process.env.SSL_KEY_FILE) : undefined,
  cert: process.env.SSL_CRT_FILE ? fs.readFileSync(process.env.SSL_CRT_FILE) : undefined,
};

const server = https.createServer(options, serverApp);
let wsServer = new WebSocketServer({
  httpServer: server,
  ssl : true,
  key : process.env.SSL_KEY_FILE ? fs.readFileSync(process.env.SSL_KEY_FILE) : undefined,
  cert: process.env.SSL_CRT_FILE ? fs.readFileSync(process.env.SSL_CRT_FILE) : undefined,
});

wsServer.on('request', function(req) {
  var connection = req.accept();
  connection.on('message', function(message) {
    if (message && message.type === 'utf8') {
      const { value } = JSON.parse(message.utf8Data);
      if (value) {
        try {
          getPercentageComplete(value, connection);
        }
        catch (error) {
          // console.log(error);
          console.log(error.message);
          console.log(error.name);
          console.log(error.errors);
          connection.sendUTF(error);
          // return res.json(error);
        }
      }
    }
  })
});

async function getPercentageComplete(url, connection) {
  const result = await axios.get(url);
  if (result && result.data && result.data.percentageComplete >= 0) {
    const percent = result.data.percentageComplete;
    // console.log(result.data);
    connection.sendUTF(Number(percent.toFixed(2)));
    if (result.data.percentageComplete !== 100) {
      setTimeout(()=>getPercentageComplete(url, connection), 1000);
    }
  }
}

const corsOption = {
  origin: "*",
}


serverApp.use(cors(corsOption));
serverApp.use(bodyParser.json());

serverApp.get("/tab", 
  // isAuthenticated, 
  async function (req, res, next) {
    POSSIBLE_EXT = await init();
    res.sendFile(globalPath.join(__dirname, "/views/hello.html"), 
      // { idTokenClaims: req.session.account.idTokenClaims }
    );
  }
);
serverApp.post("/getProfileOnBehalfOf", async (req, res, next) => {
  result = await cca.acquireTokenOnBehalfOf({
    oboAssertion: req.body.token,
    scopes: [".default"]
  });
  req.session.tokenCache = result.tokenCache;
  req.session.accessToken = result.accessToken;
  req.session.idToken = result.idToken;
  req.session.account = result.account;
  req.session.auth = result;
  return res.send(result);
})
// function isAuthenticated(req, res, next) {
//   if (!req.session.isAuthenticated) {
//     return res.redirect('/auth/signin'); // redirect to sign-in route
//   }
//   next();
// }; 

// function isAccessToken(req, res, next) {
//   if (!req.session.accessToken) { 
//     return authProvider.acquireToken({
//       scopes: ['.default'],
//       redirectUri: redirectUri,
//       successRedirect: '/api-redirect'
//     })(req, res, next);
//   }
//   next();
// }

// serverApp.get("/auth/signin", authProvider.login({
//   scopes: ['.default'],
//   redirectUri: redirectUri,
//   successRedirect: '/tab'
// }))

// serverApp.post("/redirect", authProvider.handleRedirect());
serverApp.post("/redirect", (req, res, next)=>{
  console.log(req);
});
serverApp.get("/redirect", (req, res, next)=>{
  console.log(req);
});

serverApp.post("/api-get",   
  // isAuthenticated,
  // isAccessToken, 
  async (req, res, next) => {
    const uri = req.body.api_uri || req.session.apiUri;
    let param = {};
    if (req.session.param) {
      param = req.session.param;
    }
    try {
        const graphResponse = await getFetch(endPoint + uri, req.session.accessToken, param);
        res.json(graphResponse);
    } catch (error) {
        next(error);
    }
});

serverApp.get("/api-redirect", 
  // isAuthenticated,
  async function (req, res, next) {
      const uri = req.session.apiUri;
      let param = {};
      if (req.session.param) {
        param = req.session.param;
      }
      try {
          const graphResponse = await getFetch(endPoint + uri, req.session.accessToken, param);
          res.json(graphResponse);
      } catch (error) {
          next(error);
      }
})

serverApp.get("/post-redirect", 
  // isAuthenticated,
  async function (req, res, next) {
    const uri = req.session.apiUri;
    let param = {};
      if (req.session.param) {
        param = req.session.param;
      }
    try {
        const graphResponse = await updateFetch(endPoint + uri, req.session.accessToken, param);
        res.json(graphResponse);
    } catch (error) {
        next(error);
    }
  }
)

// serverApp.post("/api-update", authProvider.acquireToken({
//   scopes: [],
//   redirectUri: redirectUri,
//   successRedirect: '/post-redirect'
// }));

// serverApp.post("/api-post", authProvider.acquireToken({
//   scopes: ['.default'],
//   redirectUri: redirectUri,
//   successRedirect: '/post-redirect'
// }));

// serverApp.post("/getGroupList", authProvider.acquireToken({
//     scopes: ['.default'],
//     redirectUri: redirectUri,
//     successRedirect: '/group-redirect'
// }));
serverApp.post("/getGroupList",  async function (req, res, next) {
  try {
    // throw new Error('Error');
      // const oneDrive        = await getFetch(endPoint + "/me/drive/root", req.session.accessToken);
      // const sharePointIds   = await getFetch(endPoint + "/me/drive/SharePointIds", req.session.accessToken);
      // // const publicTeam   = await getFetch(endPoint + "/groups?$filter=groupTypes/any(c:c+eq+'Unified')", req.session.accessToken);
      // const graphResponse   = await getFetch(endPoint + "/me/joinedTeams", req.session.accessToken);
      // const sites           = await getFetch(endPoint + "/sites/root", req.session.accessToken);
      // const sitesSharePoint = await getFetch(endPoint + "/sites/root/SharePointIds", req.session.accessToken);
      const options = getOptions(req.session.accessToken);
      const uriArr = [
        axios.get(endPoint + "/me/drive/root", options),
        axios.get(endPoint + "/me/drive/SharePointIds", options),
        axios.get(endPoint + "/me/joinedTeams", options),
        axios.get(endPoint + "/sites/root", options),
        axios.get(endPoint + "/sites/root/SharePointIds", options),
      ]
      const result = await Promise.all(uriArr);
      const oneDrive = result[0].data;       
      const sharePointIds = result[1].data; 
      const graphResponse = result[2].data;
      const sites = result[3].data;
      const sitesSharePoint = result[4].data;
      const teams = graphResponse.value;
      oneDrive.sharePoint = sharePointIds;
      sites.sharePoint = sitesSharePoint;
      const resultObj = {
        oneDrive : {
          teams: oneDrive,
        },
        joinedTeams : {
          teams : teams,
          // teams : public,
          items : {},
        },
        sites : {
          teams : sites,
        },
      }

      if (teams && teams.length) {
      // if (public && public.length) {
        // const options = {
        //   responseType: 'arraybuffer',
        //   headers: {
        //     Authorization: `Bearer ${req.session.accessToken}`,
        //     ConsistencyLevel: 'eventual',
        //     withCredentials:true,
        //   },
        // };
        for (let team of teams) {
        // for (let team of public) {
          const item = await getFetch(endPoint + "/groups/"+team.id+"/drive/items/root/children", req.session.accessToken);
          const sharePoint = await getFetch(endPoint + "/groups/"+team.id+"/drive/SharePointIds", req.session.accessToken);
          // const image = await axios.get(endPoint + "/groups/" + team.id + "/photo/$value", options);
          // if (image && image.data) {
          //   team.image = image.data;
          // }
          if (sharePoint) {
            team.sharePoint = sharePoint;
          }
          if (item && item.value) {
            resultObj.joinedTeams.items[team.id] = item.value;
          }
        }
      }
      res.json(resultObj);
  } catch (error) {
      next(error);
  } 
});
  


function isAccessTokens(req, res, next) {
  if (!req.session.accessToken) {
    return authProvider.acquireToken({
      scopes: ['.default'],
      redirectUri: redirectUri,
      successRedirect: req.url
    })(req, res, next);
  }
  next();
}

serverApp.post('/api/makeFolder', 
    // isAuthenticated,
    // isAccessTokens,
    async (req, res, next)=>{

      const options = getOptions(req.session.accessToken);
      const {siteId, path, name} = req.body;
      const resultObj = {message:"", success: 'F'};
      const param ={
        name: name,
        folder: { },
        '@microsoft.graph.conflictBehavior': 'rename'
      }
      try{
        const sitesInfo = await axios.get(endPoint + "/sites/"+ siteId + path, options);
        if (sitesInfo.data && sitesInfo.data.id) {
          const itemId = sitesInfo.data.id;
          const result = await axios.post(endPoint + "/sites/"+ siteId +"/drive/items/" + itemId +"/children",param, options);
          
          if (result.data) {
            resultObj.message = "폴더가 생성되었습니다.<br>폴더명 : "+ name;
            resultObj.success = 'S';
          }
          else {
            resultObj.message = "폴더가 생성되지 않았습니다.";
          }
        }
        else {
          resultObj.message = "생성할 폴더 경로를 찾을 수 없습니다.";
        } 
      }
      catch(error) {
        resultObj.message = "폴더 생성 중 오류가 발생하였습니다.<br>" + getErrorMessage(error);
      }

      res.json(resultObj);
});

function getErrorMessage(error) {   
  let errorText = "";
  if (error.response && error.response.status && error.response.statusText && error.response.data  && error.response.data.error) {
    // console.log(error.response);
    console.log('=============================== Axios Error ===============================')
    console.log('발생시각 : '+ new Date().toLocaleString());
    console.log(error.response);
    console.log(error.response.data.error);
    errorText = `status : ${error.response.status} - ${error.response.statusText}<br>message : ${error.response.data.error.message}`;
  }
  else {
    console.log('================================ Error =====================================')
    console.log('발생시각:'+ new Date().toLocaleString());
    console.log('에러 : '+ error);
    errorText = error; 
  } 
  return errorText;
}

serverApp.post('/api/makeWord', 
    // isAuthenticated,
    // isAccessTokens,
    async (req, res, next)=>{
      const options = getOptions(req.session.accessToken);
      const {siteId, path, name} = req.body;
      const doc = new Document({
        sections : [
          {
            properties: {},
            children : [
              new Paragraph({
                children: [
                ]
              })
            ]
          }
        ]
      });

      Packer.toBuffer(doc).then(async (buffer)=>{
        const resultObj = {message:"", success: 'F'};;
        try{
          const base64EncodeData = Buffer.from(buffer).toString('base64');
          const labelData = await setLabel(gateWayKey, req.session.account.idTokenClaims.email, name, 
                      "878173ae-cc36-4881-af57-604af868314c", base64EncodeData, "Make New Word 문서");
          if (labelData.success === 'F') {
            return res.json(labelData);
          }
          const sitesInfo = await axios.get(endPoint + "/sites/"+ siteId + path, options);
          if (sitesInfo.data && sitesInfo.data.id) {
            const itemId = sitesInfo.data.id;
            const result = await axios.put(endPoint + "/sites/"+ siteId +"/drive/items/"+itemId+':/'+name+':/content', labelData.data, options);
            if (result.data) {
              resultObj.message = "요청하신 Word 파일이 생성되었습니다.<br>파일명 : "+ name;
              resultObj.success = 'S';
            }
            else {
              resultObj.message = "요청하신 Word 파일이 생성되지 않았습니다.";
            }
          }
          else {
            resultObj.message = "생성할 폴더 경로를 찾을 수 없습니다.";
          }
        }
        catch(error) {
          resultObj.message = "요청하신 Word 파일 생성 중 오류가 발생하였습니다.<br>" + getErrorMessage(error);
        }
        res.send(resultObj);
      });
})

serverApp.post('/api/makeExcel', 
    // isAuthenticated,
    // isAccessTokens,
    async (req, res, next)=>{

      const options = getOptions(req.session.accessToken);
      const {siteId, path, name} = req.body;
      const wb = XLSX.utils.book_new();
      XLSX.utils.book_append_sheet(wb, XLSX.utils.json_to_sheet([]), 'Sheet1');
      var wbout = XLSX.write(wb, {bookType:'xlsx',  type: 'buffer'});
      const base64EncodeData = Buffer.from(wbout).toString('base64');
      
      const resultObj = {message:'', success: 'F'};
      try{
        const labelData = await setLabel(gateWayKey, req.session.account.idTokenClaims.email, name, 
                                        "878173ae-cc36-4881-af57-604af868314c", base64EncodeData, "Make New Excel 통합 문서");
        if (labelData.success === 'F') {
          return res.json(labelData);
        }
        
        const parentData = await axios.get(endPoint + "/sites/"+ siteId +path, options);
        if (parentData.data) {
          const result = await axios.put(endPoint + "/sites/"+ siteId +"/drive/items/"+parentData.data.id+':/'+name+':/content', labelData.data, options);
          if (result.data) {
            resultObj.message ='요청하신 Excel 파일이 생성 되었습니다.';
            resultObj.success = 'S';
          }
          else{
            resultObj.message = '요청하신 Excel 파일이 생성 되지 않았습니다.';
          }
        }
      }
      catch(error) {
        resultObj.message = "요청하신 Excel 파일 생성 중 오류가 발생하였습니다.<br>" + getErrorMessage(error);
      }
      res.json(resultObj);
})
async function setLabelFiles(param, headers, lengthSync, apiKey, email) {
  console.log('======================setLabelFiles=====================================')
  // const param = {
  //   apiKey: apiKey,
  //   email: email,
  //   file : files,
    // dispFileName: dispFileName,
    // aipGuid: aipGuid,
    // fileData: fileData,
    // comment: comment,
  // }
  const resultObj = {
    message : null,
    success : 'F',
    data : null,
  }
  const errorMessage = '레이블 적용 중 오류가 발생했습니다.<br>에러 : ';
  try {

    // const result = await axios.post(apiUrl + '/api/v1/stream/set-label', param);
    // console.log('실행')
    // console.log(param);
    const result = await axios.post(apiUrl + '/api/v1/file/encrypt', param, {
      headers : {
        ...headers,
        "Content-Length" : lengthSync,
      }
    });
    // console.log(result.data);
    if (result && result.data) {
      if (result.data.statusCode === 200 && !result.data.result.errorCode) {
        // resultObj.data = Buffer.from(result.data.result.fileData, "base64");
        // console.log(param.get('apiKey'));
        // console.log(param.get('email'));
        const infoParam = {
          apiKey: apiKey,
          email: email,
          dispFileName: result.data.result.dispFileName,
          realFileName: result.data.result.outputFileName,
        }
        // console.log(infoParam);
        const infoData = await axios.post(apiUrl + '/api/v1/file/info', infoParam);
        // console.log('=================infoData ========================');
        // console.log(infoData.data);
        resultObj.data = result.data.result;
        resultObj.success = 'S'; 
      }
      else {
        resultObj.message = errorMessage + result.data.result.errorMessage;
      }
    }
    else {
      resultObj.message = errorMessage + '수신 데이터 없음';
    }
  }
  catch (error) {
    console.log(error);
    resultObj.message = errorMessage + JSON.stringify(error);
  }

  return resultObj;
}

async function setLabel(apiKey, email, dispFileName, aipGuid, fileData, comment) {
  const param = {
    apiKey: apiKey,
    email: email,
    dispFileName: dispFileName,
    aipGuid: aipGuid,
    fileData: fileData,
    comment: comment,
  }
  const resultObj = {
    message : null,
    success : 'F',
    data : null,
  }
  const errorMessage = '레이블 적용 중 오류가 발생했습니다.<br>에러 : ';
  try {

    const result = await axios.post(apiUrl + '/api/v1/stream/set-label', param);
    if (result && result.data) {
      if (result.data.statusCode === 200 && !result.data.result.errorCode && result.data.result.fileData) {
        resultObj.data = Buffer.from(result.data.result.fileData, "base64");
        resultObj.success = 'S';
      }
      else {
        resultObj.message = errorMessage + result.data.result.errorMessage;
      }
    }
    else {
      resultObj.message = errorMessage + '수신 데이터 없음';
    }
  }
  catch (error) {
    resultObj.message = errorMessage + JSON.stringify(error);
  }

  return resultObj;
}

serverApp.post('/api/makePptx', 
    // isAuthenticated,
    // isAccessTokens,
    async (req, res, next)=>{

      const options = getOptions(req.session.accessToken);
      const {siteId, path, name} = req.body;
      const pres = new pptxgen();
      pres.addSlide();
      const resultObj = {message:'', success: 'F'};
      pres.stream().then(async (data)=>{
        try{
          const base64EncodeData = Buffer.from(data).toString('base64');
          const labelData = await setLabel(gateWayKey, req.session.account.idTokenClaims.email, name, 
                      "878173ae-cc36-4881-af57-604af868314c", base64EncodeData, "Make New PowerPoint 프레젠테이션");

          if (labelData.success === 'F') {
            return res.json(labelData);
          }
          
          const parentData = await axios.get(endPoint + "/sites/"+ siteId +path, options);
          if (parentData.data) {
            const result = await axios.put(endPoint + "/sites/"+ siteId +"/drive/items/"+parentData.data.id+':/'+name+':/content', labelData.data, options);
            if (result.data) {
              resultObj.message ='요청하신 PowerPoint 프레젠테이션 파일이 생성 되었습니다.';
              resultObj.success = 'S';
            }
            else{
              resultObj.message = '요청하신 PowerPoint 프레젠테이션 파일이 생성 되지 않았습니다.';
            }
          }
        }
        catch(error) {
          resultObj.message = "요청하신 PowerPoint 프레젠테이션 파일 생성 중 오류가 발생하였습니다.<br>" + getErrorMessage(error);
        }
        res.json(resultObj);
      })
})

serverApp.post('/api/check-name', 
    // isAuthenticated,
    // isAccessTokens,
    async (req, res, next)=>{

      const options = getOptions(req.session.accessToken);
      const {siteId, path, name} = req.body;
      try{
        const sitesInfo = await axios.get(endPoint + "/sites/"+ siteId + path, options);
        if (sitesInfo.data) {
          const itemId = sitesInfo.data.id;
          const result = await axios.get(endPoint + "/sites/"+ siteId +"/drive/items/" + itemId +"/children", options);
          if (result && result.data && result.data.value) {
            let idx = result.data.value.findIndex(obj=>obj.name === name);
            // console.log(name);
            // console.log(idx);
            // console.log((idx > -1));
            // console.log(result.data.value);
            res.json({hasName: (idx > -1)});
          }
        }
      }
      catch(error) {
        if (error.response) {
          console.log("error.response", error.response);
          const statusCode = err.response.status; // 400
          const statusText = err.response.statusText; // Bad Request
          const message = err.response.data.message[0]; // id should not be empty
          console.log(`${statusCode} - ${statusText} - ${message}`);
          res.json(error.response);
        }
        else {
          console.log(error);
          res.json(error);
        }
      }
});

async function uploadDrive(options, folder, siteId, path) {
  const startTime = new Date();
  const resultObj = {
    success : 'S',
    message : '',
  }

  if (!Array.isArray(folder)) {
    folder = [folder];
  }
  for (let item of folder) {
    const fileInfo = JSON.parse(item);

    const param = {
      name: fileInfo.name,
      folder: {},
      // '@microsoft.graph.conflictBehavior': 'rename'
    };

    let folderPath = '';
    if (fileInfo.path) {
      folderPath = fileInfo.path; 
      if (!path.includes(':')) {
        folderPath = ":" + folderPath;
      }
    }
    let uri = endPoint + "/sites/"+ siteId + path + folderPath;
    const result = await new Promise (async (resolve, reject)=>{
        axios.get(uri, options).then((sitesInfo)=>{
          resolve(sitesInfo.data);
        })
        .catch((error)=>{
          reject(error);
        });
    })
    .then(async (result)=>{
      return await new Promise(async (resolve, reject)=>{ 
          axios.post(endPoint + "/sites/"+ siteId +"/drive/items/" + result.id +"/children", param, options)
              .then((uploadFolder)=>{
                resolve(uploadFolder.data);
              })
              .catch((error)=>{
                reject(error);
              });
      });
    })
    .catch((error)=>{
      return {success:'F', message: '요청하신 파일 업로드 중 오류가 발생하였습니다.<br>' + getErrorMessage(error)};
    });

    if (result.success === 'F') {
      return result;
    }
  }
  const makeFolderTime = new Date();

  console.log('폴더 시작 시간 :', startTime.toLocaleString(), ', 폴더 종료 시간 :', makeFolderTime.toLocaleString(), ', 소요 시간 :', timeCheck(startTime, makeFolderTime));
  return resultObj;
}

serverApp.post('/api/upload', upload.array('file'),
  async (req, res, next)=>{
    const startTime = new Date();
    const files = req.files;
    let {siteId, path, folder, file_path} = req.body; 
    if (siteId && path) {
      const options = getOptions(req.session.accessToken);
      if (folder){
        const uploadDriveResult = await uploadDrive(options, folder, siteId, path);
        if (uploadDriveResult.success === 'F') {
          return res.json(uploadDriveResult);
        }
      }

      let fileWriteTime = new Date();
      if (files && files.length > 0) {
          const promiseArray = [];
          const labelPromiseArray = [];
          // const fileWriteArray = [];
          const possibleExt = POSSIBLE_EXT;
          const {supported_file_ext, protected_file_ext} = possibleExt;
          let supportedArr = [];
          // let protectedArr = [];
          // let protectedMap = new Map();
          if (supported_file_ext && protected_file_ext) {
            supportedArr = supported_file_ext.split(';');
            // protectedArr = protected_file_ext.split(';');
            if (!supportedArr[supportedArr.length - 1]) {
              supportedArr.splice(supportedArr.length - 1);
            }
            // if (!protectedArr[protectedArr.length - 1]) {
            //   protectedArr.splice(protectedArr.length - 1);
            // }
            // if (protectedArr.length > 0) {
            //   for (let array of protectedArr) {
            //     array = array.split('-');
            //     if (array.length === 2) {
            //       protectedMap.set(array[0], array[1]);
            //     }
            //   }
            // }
          }
          let beforeUri = '';
          let beforeItemId = '';
          // const siteInfoArr = [];
          for (let idx in files) {
            const file = files[idx];
            //const fileName = file.originalname;
            //let filePath = req.body[ fileName + "_path"];
            file.originalname = Buffer.from(file.originalname, 'ascii').toString('utf8');
            let originName = file.originalname;
            if (originName) {
                let ext = globalPath.extname(originName);
                if (supportedArr.length > 0 && !supportedArr.includes(ext)) {
                    return res.json({success:'F', message: '파일명 : ' + originName 
                                      +'<br>해당 파일은 업로드 불가 파일입니다. 다시 시도해주세요.<br>가능 확장자 :' 
                                      + JSON.stringify(supportedArr)});
                }

                // const uuid = uuidv4();
                // const realFileName = uuid + ext;
                // fileWriteArray.push(new Promise((resolve, reject) => {
                //   const data = fs.writeFileSync('Z:/Source/' + realFileName, file.buffer)
                //   resolve({
                //     data
                //   })
                // }));

                const base64Data = Buffer.from(file.buffer).toString('base64');
                const param = {
                  apiKey: gateWayKey,
                  email: req.session.account.idTokenClaims.email,
                  dispFileName: originName,
                  aipGuid: "878173ae-cc36-4881-af57-604af868314c",
                  // aipGuid: "0166b75f-6a93-47f3-8fd3-e1e7c59141ab",
                  // comment: "set-protection",
                  comment: "set-label",
                  fileData: base64Data,
                }

                // labelPromiseArray.push(new Promise(async (resolve)=>{resolve(await axios.post(apiUrl + '/api/v1/stream/set-label', param))}));
                labelPromiseArray.push(axios.post(apiUrl + '/api/v1/stream/set-label', param));
                // labelPromiseArray.push(axios.post(apiUrl + '/api/v1/stream/set-protection', param));
                
                let formatPath = '';
                
                if (file_path[idx]) {
                  // console.log(file_path[idx]);
                  if (!path.includes(":")) { 
                    formatPath = ":" + file_path[idx]; 
                  }
                  else {
                    formatPath = file_path[idx];
                  }
                }
    
                let itemId = '';
                const uri = endPoint + "/sites/"+ siteId + path + formatPath;
                // siteInfoArr.push(axios.get(uri, options));
                if (beforeUri === uri) { 
                  itemId = beforeItemId;
                }
                else {
                  try {
                    const sitesInfo = await axios.get(uri, options);
                    itemId = sitesInfo.data.id;
                    beforeUri = uri;
                    beforeItemId = itemId; 
                  }
                  catch(error) {
                    console.log(error);
                    res.json({success:'F', message: '파일 업로드 작업 중 오류가 발생했습니다.<br>에러 : ' + JSON.stringify(error.message)});
                  }
                }
                
                // if (protectedMap.size > 0 && protectedMap.get(ext)) {
                //   let name = originName.replace(ext, '');
                //   ext = protectedMap.get(ext);
                //   originName = name + ext;
                // }
                promiseArray.push(endPoint + "/sites/"+ siteId +"/drive/items/"+itemId+':/');
            }
          }

          try {
              // const siteInfos = await Promise.all(siteInfoArr);
              // siteInfos.forEach((obj)=>{
              //   promiseArray.push(endPoint + "/sites/"+ siteId +"/drive/items/"+obj.data.id+':/');
              // })
              //file write 시 사용
              //const writeArr = await Promise.all(fileWriteArray);

              let writeTime = timeCheck(fileWriteTime, new Date());
              console.log('파일 Write Time : '+ writeTime);
              

              const labelTime = new Date();
              const labelResult = await Promise.all(labelPromiseArray);
              // console.log(labelResult[0].data.result.fileData);
              console.log('label time : ', timeCheck(labelTime, new Date()));
              for (let idx in labelResult) {
                const obj = labelResult[idx];
                if (obj.data && !obj.data.result.errorCode && obj.data.result.fileData) {
                  const data = Buffer.from(obj.data.result.fileData, 'base64');
                  // promiseArray[idx] = new Promise(async (resolve)=> resolve(await axios.put(promiseArray[idx] + obj.data.result.dispFileName + ':/content', data, options)));
                  promiseArray[idx] = axios.put(promiseArray[idx] + obj.data.result.dispFileName + ':/content', data, options);
                  // promiseArray.push(axios.put(endPoint + "/sites/"+ siteId +"/drive/items/"+ siteInfos[idx].data.id + ':/' + obj.data.result.dispFileName + ':/content', data, options));
                }
                else {
                  throw '파일명 : '+obj.data.result.dispFileName + '<br>에러 : ' + obj.data.result.errorMessage;
                }
              }
              // labelResult.forEach((obj, idx)=>{
              //   if (obj.data && !obj.data.result.errorCode && obj.data.result.fileData) {
              //     const data = Buffer.from(obj.data.result.fileData, 'base64');
              //     promiseArray[idx] = axios.put(promiseArray[idx] + obj.data.result.dispFileName + ':/content', data, options);
              //     // promiseArray.push(axios.put(endPoint + "/sites/"+ siteId +"/drive/items/"+ siteInfos[idx].data.id + ':/' + obj.data.result.dispFileName + ':/content', data, options));
              //   }
              //   else {
              //     throw '파일명 : '+obj.data.result.dispFileName + '<br>에러 : ' + obj.data.result.errorMessage;
              //   }
              // })
              // const readArray = [];
              // labelResult.forEach((obj)=>{
              //   readArray.push(new Promise((resolve, reject)=>{
              //       if (obj.data && !obj.data.result.errorCode) {
              //         fs.readFile('Z:/Target/' + obj.data.result.outputFileName, (err, data)=>{
              //           if (err) {
              //             reject({err}); 
              //           }
              //           resolve({data});
              //           //promiseArray[idx] = axios.put(promiseArray[idx], data, options);
              //         });
              //       }
              //       else {
              //         reject(obj.data.result.errorMessage);
              //       }
              //   }))
              // });
              // console.log('labelResult : ', labelResult);
              // let readTime = new Date();
              // const readResult = await Promise.all(readArray);

              // console.log(readResult);
              // console.log('File Read time : ', timeCheck(readTime, new Date()));
              

              let uploadTime = new Date();
              // promiseArray.forEach((obj, idx)=>{
              //   // console.log(readResult[idx].data);
              //   // console.log(obj[idx]);
              //   promiseArray[idx] = axios.put(obj, readResult[idx].data, options); 
              // });

              const uploadResult = await Promise.all(promiseArray);
              
              console.log('File uploadTime : ', timeCheck(uploadTime, new Date()));

          }
          catch(error){
            return res.json({success:'F', message: '요청하신 파일 업로드 중 오류가 발생하였습니다.<br>' + getErrorMessage(error)});
          }

        }
        const endTime = new Date();
        let betweenTime = timeCheck(startTime, endTime);
        console.log('시작 시간 :', startTime.toLocaleString(), ', 종료 시간 :', endTime.toLocaleString(), ', 소요 시간 :', betweenTime);
        res.json({success:'S', message: '요청하신 파일 업로드가 정상적으로 처리 되었습니다.'});
    }
    else {
      return res.json({success:'F', message: '업로드 요청 파라미터 정보를 확인해 주세요.'});
    }
});

function timeCheck(startTime, endTime) {
  let betweenTime = endTime - startTime;
  if (betweenTime > 60000) {
    betweenTime = (betweenTime/1000/60) + ' 분';
  }
  else {
    betweenTime = (betweenTime/1000) + ' 초';       
  }
  return betweenTime;
}


serverApp.post('/api/download',
  async (req, res, next)=>{
    try {
      let startTime = new Date();
      const {siteId, path, fileIds, zipName} = req.body;
      if (siteId && path && fileIds) {
          const options = getOptions(req.session.accessToken);
          const arr = JSON.parse(fileIds);
          const url = endPoint + "/sites/"+ siteId + "/drive/items/";
          const result = await axios(url + arr[0], options);

          // 단일 파일 다운로드
          if (arr.length === 1 && result && result.data && result.data.file) {
            const dataUrl = result.data['@microsoft.graph.downloadUrl'];
            const fileOption = {responseType: 'arraybuffer', headers: { withCredentials : true }};
            const fileData = await axios.get(dataUrl, fileOption);
            const bufferData = Buffer.from(fileData.data, 'base64');
            const param = {
              apiKey: gateWayKey,
              email : res.session.account.idTokenClaims.email,
              dispFileName: result.data.name,
              comment: "",
              fileData: Buffer.from(bufferData).toString('base64')
            }
            const deleteLabelResult = await axios.post(apiUrl + '/api/v1/stream/delete-label', param);
            if (deleteLabelResult && deleteLabelResult.data && !deleteLabelResult.data.result.errorCode) {
              return res.json({success: 'S', data: Buffer.from(data.data, 'base64'), name: deleteLabelResult.data.result.name})
            }
          }
          //폴더 또는 다중 파일 다운로드
          else {
            const zip = new JSZIP();
            // const downObj = await getFolderItems(url, arr, options, req.session, zip);
            const timer = new Date();
            console.log('getFolderItems Start : ', timer.toLocaleString());
            await getFolderItems(url, arr, options, req.session, zip);
            const timerEnd = new Date();
            console.log('getFolderItems end : ', timerEnd.toLocaleString(), ',소요시간 : '+ timeCheck(timer,timerEnd));
            // createZipFile(downObj, zip);
            const now = new Date();
            const year = now.getFullYear().toString();
            let month = now.getMonth() + 1;
            if (month < 10) month = "0" + month;
            let date = now.getDate();
            if (date < 10) date = "0" + date;
            zip.generateAsync({
              type: 'nodebuffer',
              // mimeType: 'application/epub+zip',
              // compression: 'DEFLATE',
              // compressionOptions: {
              //   level: 9
              // },
            }).then((resZip)=>{
              const endTime = new Date();
              console.log('시작 시간 :', startTime.toLocaleString(), ', 종료 시간 :', endTime.toLocaleString(), ', 소요 시간 :', timeCheck(startTime, endTime));
              return res.json({success: 'S', data: resZip, name: zipName + '_' + year + '-' + month + '-' + date + '.zip'});
            })
            .catch((error)=>{
              console.log(error);
              return res.json({success: 'F', message:'파일 다운로드 중 오류가 발생하였습니다.', error: error});
            });

          }
      }
      else {
        return res.json({message:'다운로드 파일 정보를 확인 할 수 없습니다.', success:'F'})
      }
    }
    catch(error) {
      return res.json({success: 'F', message:'파일 다운로드 중 오류가 발생하였습니다.<br>'+ getErrorMessage(error)});
    }
  }
);


serverApp.post('/api/folderMove', async (req, res, next)=>{
  if (req.body) {
    const {id, name, siteId, driveId, text, moveSiteId, movePath} = req.body;
    const resultObj = {message:'폴더 이동에 실패 하였습니다.', success: 'F'};
    if (name && isNaN(name)) {
      const nameArray = JSON.parse(name);
      const options = getOptions(req.session.accessToken);

      if (nameArray && nameArray.length > 0) {
        for (let moveItem of nameArray) {
          if (moveItem) {
            
            try {
              const copyFolderPath = `${endPoint}/sites/${siteId}/drive/items/${moveItem.id}`;
              const result = await axios.get(copyFolderPath, options);
              if (result && result.data) {
                const data = result.data;
                const moveUri = `${endPoint}/sites/${moveSiteId}/${movePath}`;
                const moveFolderResult = await findSubFolder(data, moveUri, moveSiteId, options);
                console.log('moveFolderResult : ',moveFolderResult);
                if (!moveFolderResult) {
                  resultObj.message ='폴더 이동 중 오류가 발생하였습니다.';
                }
                else {
                  await axios.delete(endPoint + "/sites/"+ siteId + "/drive/items/" + moveItem.id, options);
                  resultObj.message ='폴더 이동 되었습니다.';
                  resultObj.success = 'S';
                }
              }
            }
            catch (error) {
              console.log(error.message);
              console.log(error.name);
              console.log(error.errors);
              resultObj.message = error.errors;
              // resultObj.failItems.push(moveItem);
            }
          }
        }
      }
    }
    return res.json(resultObj);
  }
})

async function findSubFolder(data, movePath, moveSiteId, options) {
    let resultType = false;
    try {
      const moveItem = await axios.get(movePath, options);

      if (moveItem.data && moveItem.data.id) {
        const param = {
          "name": data.name,
          "folder": {},
          "@microsoft.graph.conflictBehavior": "rename"
        }

        const makeFolderData = await axios.post(`${endPoint}/sites/${moveSiteId}/drive/items/${moveItem.data.id}/children`, param, options);
        if (makeFolderData && makeFolderData.data) {
            const makeFolderPath = `${endPoint}/sites/${moveSiteId}/${makeFolderData.data.parentReference.path}/${data.name}`;
            
            if (data.folder.childCount) {
              const siteId = data.parentReference.siteId;
              const childrenData = await axios.get(`${endPoint}/sites/${siteId}/drive/items/${data.id}/children`, options);
              if (childrenData && childrenData.data && childrenData.data.value) {
                const childrenValues = childrenData.data.value;
                if (childrenValues.length > 0) {
                  for (let ii = 0; ii < childrenValues.length; ii++) {
                      const children = childrenValues[ii];
                      if (children && children.folder) {
                          const result = await findSubFolder(children, makeFolderPath, moveSiteId, options);
                          resultType = result;
                      }
                      else {
                          const dataUrl = children['@microsoft.graph.downloadUrl'];
                          const response = await axios.get(dataUrl, {responseType: 'arraybuffer', headers: {
                            withCredentials:true,
                          },});
                          if (response.data) {
                            const file = response.data;
                            const uploadResult = await axios.put(`${endPoint}/sites/${moveSiteId}/drive/items/${makeFolderData.data.id}:/${children.name}:/content`, 
                                                                  file.buffer, options);
                            if (uploadResult) {
                              resultType = true;
                            }
                          }
                      }
                  }
                }
              }
            }
        }
    }
    
  }
  catch(error) {
    console.log(error);
    return resultType;
  }
  return resultType;
}

function createZipFile(obj, zip) {
  
  if (obj.files && obj.files.length > 0) {
    for (let file of obj.files) {
      console.log(file.name);
      zip.file(file.name, file.data, {base64: true});
    }
  }

  if (obj.folder && obj.folder.length > 0) {
    for (let folder of obj.folder) {
      console.log(folder.name);
      zip.folder(folder.name);
      if (folder.subFolder) {
        createZipFile(folder.subFolder, zip.folder(folder.name));
      }
    }
  }
}

async function getFolderItems(url, array, options, session, zip) {
  // const files         = [];
  // const folder        = [];
  const sitesInfoArr  = [];
  const fileArr       = [];
  const fileInfoArr   = [];

  // const folderCheckTime = new Date();
  // for (let fileId of array) {
  //   sitesInfoArr.push(axios.get(url + fileId, options));
  // }
  // const siteInfos = await Promise.all(sitesInfoArr).catch((error)=>{
  //   console.log(error);
  //   throw error;
  // });
  for (let fileId of array) {
    sitesInfoArr.push(axios.get(url + fileId, options));
  }
  const siteInfos = await Promise.all(sitesInfoArr);
  
  for (let site of siteInfos) {
    const data = site.data;
    if (data) {
      if (data.folder) {
        // const folderObj = {name : data.name, subFolder : []};
        zip.folder(data.name);
        if (data.folder.childCount) {
          const itemsData = await axios.get(url + data.id + '/children', options);
          if (itemsData && itemsData.data && itemsData.data.value.length > 0) {
            const idArr = [];
            for (let children of itemsData.data.value) {
              idArr.push(children.id);
            }

            try {
              // let result = await getFolderItems(url, idArr, options, session, zip.folder(data.name));
              await getFolderItems(url, idArr, options, session, zip.folder(data.name));
              // folderObj.subFolder = result;
            }
            catch(error) {
              if (error) {
                throw error;
              }
            }
            // subFolder.push(result);
          }
        }
        // folder.push(folderObj);
      }
      else {
        const dataUrl = data['@microsoft.graph.downloadUrl'];
        const fileOption = {responseType: 'arraybuffer', headers: { withCredentials : true }};
        fileArr.push(axios.get(dataUrl, fileOption));
        fileInfoArr.push(data);
      }
    }
  }

  // console.log('======================= folder check end ===============================');
  // console.log('folder check 소요시간 : ', timeCheck(folderCheckTime, new Date()));


  // console.log('======================= delete label start ===============================');
  const fileDataArr = await Promise.all(fileArr).then((result)=>{
    let deleteLabelArr = [];
    for (let idx in result) {
      let fileData = result[idx].data;
      const param = {
        apiKey: gateWayKey,
        email : session.account.idTokenClaims.email,
        dispFileName: fileInfoArr[idx].name,
        comment: "",
        fileData: Buffer.from(fileData).toString('base64')
      }
      deleteLabelArr.push(axios.post(apiUrl + '/api/v1/stream/delete-label', param));
    }
    return deleteLabelArr;
  });
  
  // const deleteLabelTime = new Date();
  // const deleteLabelArr = [];
  // for (let idx in fileDataArr) {
  //   let fileData = fileDataArr[idx].data;
  //   const param = {
  //     apiKey: gateWayKey,
  //     email : session.account.idTokenClaims.email,
  //     dispFileName: fileInfoArr[idx].name,
  //     comment: "",
  //     fileData: Buffer.from(fileData).toString('base64')
  //   }
  //   deleteLabelArr.push(axios.post(apiUrl + '/api/v1/stream/delete-label', param));
  // }

  const deleteLabelFiles = await Promise.all(fileDataArr);
  // const deleteLabelFiles = await Promise.all(deleteLabelArr);
  for (let idx in deleteLabelFiles) {
    const fileObj = deleteLabelFiles[idx];
    const data = fileObj.data;
    if (data.success && !data.result.errorCode) {
      // files.push({name : data.result.dispFileName, data: data.result.fileData});
      zip.file(data.result.dispFileName, data.result.fileData, {base64: true});
    }
    else {
      throw data.result.dispFileName + ' : ' + data.result.errorMessage;
    }
  }
  // console.log('======================= delete label end ===============================')
  // console.log('delete label 소요시간 : ',timeCheck(deleteLabelTime, new Date()));

  // const resultObj = {
  //   folder : folder,
  //   files : files,
  // };

  // return resultObj;
}


serverApp.post('/api/getPossibleExtList', async (req, res, next)=>{
    return res.json(POSSIBLE_EXT);
})

serverApp.post('/api/delete', 
  // isAuthenticated,
  // isAccessTokens,
  async (req, res, next)=>{
    if (req.body) {
      const {siteId, itemIds} = req.body;
      const resultObj = {success: '', message:''};
      if (siteId && itemIds) {
        const itemIdArr = JSON.parse(itemIds);
        if (itemIdArr.length > 0) {
          const options = getOptions(req.session.accessToken);
          for (let itemId of itemIdArr) {
            try{
              await axios.delete(endPoint + "/sites/"+ siteId + "/drive/items/" + itemId, options);
            }
            catch(error) {
              resultObj.success = 'F';
              let message = '선택하신 파일 정보 삭제중 오류가 발생하였습니다.';
              if (error && error.response && error.response.data && error.response.data.error && error.response.data.error.message) {
                console.log(error.response.data.error.message);
                message += '<br>' + error.response.data.error.message;
              }
              resultObj.message = message;
              return res.json(resultObj);
            }
          }
          resultObj.success = 'S';
          resultObj.message = '파일 정보가 삭제되었습니다.';
          res.json(resultObj);
        }
      }
      else {
        resultObj.success = 'F';
        resultObj.message = '파라미터 정보를 확인해주세요.';
        res.json(resultObj);
      }
    }
  })

serverApp.post('/api/update-name', 
  // isAuthenticated,
  // isAccessTokens,
  async (req, res, next)=>{
    if (req.body) {
      const {siteId, itemId, name} = req.body;
      const resultObj = {success: '', message:''};
      if (siteId && itemId && name) {
        const options = getOptions(req.session.accessToken);
          try{
            await axios.patch(endPoint + "/sites/"+ siteId + "/drive/items/" + itemId, {name : name}, options);
          }
          catch(error) {
            console.log(error.response.data.error); 
            
            resultObj.success = 'F';
            resultObj.message = '선택하신 파일의 이름 변경 중 오류가 발생하였습니다.<br>' + error.response.data.error.message;
            return res.json(resultObj);
          }
          resultObj.success = 'S';
          resultObj.message = '선택하신 파일의 이름이 변경되었습니다.';
          return res.json(resultObj);
        }
      }
      else {
        resultObj.success = 'F';
        resultObj.message = '파라미터 정보를 확인해주세요.';
        return res.json(resultObj);
      }
  });
  
serverApp.post('/api/move-item', 
  // isAuthenticated,
  // isAccessTokens,
  async (req, res, next)=>{
    if (req.body) {
      const {id, name, siteId, text} = req.body;
      const resultObj = {message:'', successItems : [], failItems : [], locations: []};
      if (name && isNaN(name)) {
        const nameArray = JSON.parse(name);
        const options = getOptions(req.session.accessToken);

        if (nameArray && nameArray.length > 0) {
          for (let moveItem of nameArray) {
            if (moveItem) {
              const param = {
                parentReference: {
                  id: id,
                },
                name: moveItem.name
              };
              try {
                const result = await axios.patch(`${endPoint}/sites/${siteId}/drive/items/${moveItem.id}`, param, options);
                if (result) {
                  resultObj.successItems.push(moveItem);
                  // resultObj.locations.push(result.headers.location);
                }
              }
              catch (error) {
                // console.log(error);
                console.log(error.message);
                console.log(error.name);
                console.log(error.errors);
                resultObj.failItems.push(moveItem);
              }
            }
          }
          resultObj.message = `요청 하신 ${nameArray.length} 개 파일 중 ${ resultObj.successItems.length} 개 파일이 ${text} 되었습니다.`;
        }
      }
      return res.json(resultObj);
    }
});
  
serverApp.post('/api/copy-item', 
// isAuthenticated,
// isAccessTokens,
async (req, res, next)=>{
  if (req.body) {
    const {id, name, siteId, driveId, text} = req.body;
    const resultObj = {message:'', successItems : [], failItems : [], locations: []};
    if (name && isNaN(name)) {
      const nameArray = JSON.parse(name);
      const options = getOptions(req.session.accessToken);

      if (nameArray && nameArray.length > 0) {
        for (let moveItem of nameArray) {
          if (moveItem) {
            const param = {
              parentReference: {
                id: id,
                driveId : driveId,
              },
              name: moveItem.name
            };
            try {
              const result = await axios.post(`${endPoint}/sites/${siteId}/drive/items/${moveItem.id}/copy`, param, options);
              if (result) {
                resultObj.successItems.push(moveItem);
                resultObj.locations.push(result.headers.location);
              }
            }
            catch (error) {
              // console.log(error);
              console.log(error.message);
              console.log(error.name);
              console.log(error.errors);
              resultObj.failItems.push(moveItem);
            }
          }
        }
        resultObj.message = `요청 하신 ${nameArray.length} 개 파일 중 ${ resultObj.successItems.length} 개 파일이 ${text} 되었습니다.`;
      }
    }
    return res.json(resultObj);
  }
});
  
serverApp.post('/api/loading', 
  async (req, res, next)=>{
    if (req.body) {
      const {url} = req.body;
      if (url) {
        try {
          const result = await axios.get(`${url}`);
          if (result && result.data) {
            console.log(result.data);
            return res.json(result.data);
          }
        }
        catch (error) {
          // console.log(error);
          console.log(error.message);
          console.log(error.name);
          console.log(error.errors);
          return res.json(error);
        }
      }
  }
});



serverApp.post('/api/add-tab', 
// isAuthenticated,
// isAccessTokens,
async (req, res, next)=>{
  if (req.body) {
    const {name, siteId, path, teamId, teamName, bindId} = req.body;
    const resultObj = {message:'', success: 'F'};
    if (name && siteId && path && teamId && teamName) {
      const options = getOptions(req.session.accessToken);

      try {
        const teamInfo = await axios.get(`${endPoint}/teams/${teamId}/channels`, options);
        const sharePoint = await axios.get(`${endPoint}/sites/${siteId}/drive`, options);
        if (teamInfo.data && teamInfo.data.value && sharePoint.data) {
          const sharePointUrl = sharePoint.data.webUrl;
          if (path.includes('/drive/root:/') && sharePointUrl) {
            let channelName = path.replace('/drive/root:/', '');
            const contentUrl = sharePointUrl + '/' + channelName;
            channelName = channelName.substring(0, channelName.indexOf('/'));
            const idx = teamInfo.data.value.findIndex(obj => obj.displayName === channelName);
            resultObj.message = `채널명 : ${channelName}<br>파일명 : ${name}<br>요청하신 채널에 탭으로 설정 되지않았습니다.`;
            if (idx >= 0 && contentUrl) {
              const channelId = teamInfo.data.value[idx].id;
              if (channelId) {
                const param = {
                  displayName: name,
                  "teamsApp@odata.bind" : `https://graph.microsoft.com/v1.0/appCatalogs/teamsApps/${bindId}`,
                  configuration: {
                    entityId: null,
                    contentUrl: contentUrl,
                    websiteUrl: "",
                    removeUrl: null
                  }
                }
                //sites/root/lists
                const channelInfo = await axios.post(`${endPoint}/teams/${teamId}/channels/${channelId}/tabs`, param, options);
                if (channelInfo.data) {
                  resultObj.success = 'S';
                  resultObj.message = '채널명 : ' + channelName + '<br>파일명 : '+name+'<br>요청하신 채널에 탭으로 설정 되었습니다.';
                }
              }
            }
          }
        }
      }
      catch (error) {
        resultObj.message = `채널명 : ${channelName}<br>파일명 : ${name}<br>요청하신 채널에 탭으로 설정 중 오류가 발생하였습니다.<br>` + getErrorMessage(error);
      }
    }
    return res.json(resultObj);
  }
});

// // 데이터베이스 연결
// pool.connect((err) => {
//   // 연결이 안될 경우 에러 내용 콘솔에 출력
//   if (err) {
//       console.error('Error connecting to database:', err);
//       return;
//   }
//   // 연결에 성공할 경우 연결 성공 메시지 콘솔에 출력
//   console.log('Connected to database');
// });

async function getPossibleExt() {
  const resultObj = {
    success : 'F',
    message : null,
    data : null,
  }
  const sqlQuery = 
    `SELECT 
        A.ConfigValue AS supported_file_ext, 
        B.ConfigValue AS protected_file_ext 
      FROM (SELECT * FROM TB_AIP_CONFIG WHERE ConfigKey = 'SupportedFileExt' AND AipServerId = 0) A,  
           (SELECT * FROM TB_AIP_CONFIG WHERE ConfigKey = 'ProtectedFileExt' AND AipServerId = 0) B`;
    try {
      const query = await pool;
      const result = await query.request().query(sqlQuery);
      
      if (result && result.recordset.length) {
        resultObj.success = 'S';
        resultObj.message = 'Success';
        resultObj.data = result.recordset[0];
      }
      else {
        resultObj.success = 'F';
        resultObj.message = "Not Found Data";
      }
    }
    catch(error) {
      // console.log(error);
      console.log(error);
      resultObj.success = 'F';
      resultObj.message = JSON.stringify(error);
    }

    return resultObj;
}

async function setLabelFile(session, file, supported_file_ext) {
  const resultObj = {
    success : 'F',
    message : null,
    fileData : null,
  }

  const originName = file.originalname;

  // 파일 확장자 
  if (originName && originName.lastIndexOf('.') >= 0) {
    const ext = originName.substring(originName.lastIndexOf('.'), originName.length);
    if (supported_file_ext) {
      let supportedArr = supported_file_ext.split(';');
      
      if (!supportedArr[supportedArr.length - 1]) {
        supportedArr.splice(supportedArr.length - 1);
      }
      
      if (!supportedArr.includes(ext)) {
        resultObj.status = 500;
        resultObj.error = '파일명 : ' + originName 
                          +'<br>해당 파일은 업로드 불가 파일입니다. 다시 시도해주세요.<br>가능 확장자 :' 
                          + JSON.stringify(supportedArr);
        return resultObj;
      }

      const fileData = Buffer.from(file.buffer).toString('base64');
      const param = {
        apiKey: gateWayKey,
        email: session.account.idTokenClaims.email,
        dispFileName: originName, 
        aipGuid: "878173ae-cc36-4881-af57-604af868314c",
        comment: "",
        fileData: fileData
      }
      
      try {
        const result = await axios.post(apiUrl + '/api/v1/stream/set-label', param);
        if (result) {
          if (result.data.statusCode === 200 && !result.data.result.errorCode) {
            resultObj.fileData = Buffer.from(result.data.result.fileData, "base64");
          }
          else {
            console.log(result.data);
            resultObj.success = 'F';
            resultObj.message = '파일명 : ' + originName + '<br>에러 : ' + result.data.result.errorMessage;
          }
        }
      }
      catch(error) {
        console.log(error);
        resultObj.success = 'F';
        resultObj.message = '레이블 설정 중 오류가 발생하였습니다.<br>' + JSON.stringify(error.message);
      }
    }
  }

  return resultObj;
}

async function deleteLabelFile(session, name, file) {
  const resultObj = {
    error : false,
    errorMessage : null,
    fileData : null,
  }
  try {
    const param = {
      apiKey: gateWayKey,
      email : session.account.idTokenClaims.email,
      dispFileName: name,
      comment: "",
      fileData: file
    }
    
    const result = await axios.post(apiUrl + '/api/v1/stream/delete-label', param);
    if (result && result.data.statusCode === 200 && !result.data.result.errorCode) {
        resultObj.fileData = result.data.result.fileData;
    }
    else {
      resultObj.error = true;
      resultObj.errorMessage = '파일명 : ' + name + '<br>에러 : ' + result.data.result.errorMessage;
      console.log(result.data.result);
    }
  } 
  catch(error) { 
    console.log(error);
    resultObj.error = true;
    resultObj.errorMessage = '레이블 해제 중 오류가 발생하였습니다.<br>' + JSON.stringify(error.message);
  }
  return resultObj; 
}

function getOptions(token) {
  const options = {
    headers: {
      Authorization: `Bearer ${token}`,
    },
  };
  return options;
}

serverApp.use((err, req, res, next)=>{
  console.log(err.message);
  // console.log(err);
  console.log(res.statusCode);
  if (err) {
    res.status(400);
    res.json({message: err.message});
  } else {
    res.status(500);
    res.json({message: err.message});
  }
})

server.listen(SERVER_PORT, function () {
  console.log(`\n${serverApp.name} listening to ${SERVER_PORT}`);
});